"Ah, they're here already!" said Anna, looking at the saddle horses, which were just being led away from the steps. "It is a nice horse, isn't it? It's my cob; my favorite. Lead him here and bring me some sugar.
Leo Tolstoy. Anna Karenina (Translated by Constance Garnett)
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Outside, beyond the low, white fence, a wagonette with a pair of cobs was waiting.
Arthur Conan Doyle. Sherlock Holmes: The Hound of the Baskervilles (1902)